
Thickened by two layers without wheels [30cm in length]

Thickened three layers without wheels [30cm in length

Thickened four layers without wheels [30cm in length

Thickened five layers without wheels [30cm in length]

Two layers thickened and widened without wheels [40cm in length]

Thickened and widened three-layer without wheels [40cm in length]

Thickened and widened four-layer without wheels [40cm in length

Thickened and widened five-layer without wheels [40cm in length]

Thickened by two layers of pulleys [30cm in length

Thickened three-layer pulley [30cm long

Thickened four-layer pulley [30cm long

Thickened five-layer pulley [30cm long]

Thickened and widened two-layer pulley [40cm long]

Thickened and widened three-layer pulley [40cm long]

Thickened and widened four-layer pulley [40cm long]

Thickened and widened five-layer pulley [40cm long]

Small single-layer without wheels