MARSHALLTOWN The Premier Line SP16SD 16-Inch by 4-1/2-Inch Pool Trowel with DuraSoft Handle Highest grade hardened and tempered spring steel blade, properly shaped Short aluminum alloy Xtralite mounting is lightweight but very strong Blade is flexible enough to bend to almost any radius Resilient DuraSoft handle, provides soft feel, reduces fatigue U.S. Patent Nos. 5,522,111 and 5,713,096